#include <stdio.h>

struct human {
    char age;
    char name[100];
    char sex;
};


int main(int argc, char *argv[])
{
    struct human wanbo;
    struct human class_312[30];
    struct human *biosex = NULL;
    struct {
        char age;
        char name[100];
        char sex;
    } new_student;



    return 0;
}
